Question: When did spouse of Aleksandr Solzhenitsyn and end time?
Paraphrase: When did life partner of Aleksandr Solzhenitsyn and conclusion time?
SPARQL (Wikidata): SELECT ?value1 ?obj WHERE { wd:Q34474 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P582 ?value1 . }